Finding the Fourth Proportional to 226,699.19, 312,844.86 and 124,722.47
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Solution
The fourth proportional to 226,699.19, 312,844.86 and 124,722.47 is: 172,116.99
Step by Step Solution
- Step 1: Write the proportion equation
226,699.19 : 312,844.86 = 124,722.47 : x - Step 2: Convert to fraction form
226,699.19/312,844.86 = 124,722.47/x - Step 3: Cross multiply
226,699.19x = 312,844.86 × 124,722.47 - Step 4: Simplify right side
226,699.19x = 39,018,782,101.78 - Step 5: Solve for x
x = 39,018,782,101.78/226,699.19 - Step 6: Final answer
x = 172,116.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.